Skype has increased the number of users that can be on the same audio or video group call to 50, up from the previous maximum of 25.Poly has the portfolio to help you equip every room, from the executive office and huddle space to large conference rooms. To make the most of your investment, you want devices designed for the places and ways people work. Room size, acoustics, lighting, use cases-all these make a big difference.Microsoft’s (MSFT) Skype can also host up 50 people on conference call for up to 4 hours. Facebook’s upcoming video conferencing tool can host up to 50 people without a time limit.Fifty people in a virtual room all at the same time sounds like a recipe for chaos whichever way you look it, but evidently, it’s an upper limit that Skype is happy to go with.